PlayingorganizedsportsissuchacommonexperienceintheUnitedStatesthatmanychildrenandteenagerstookthemforgranted.Thisisespeciallytrueamongchildrenfromwealthyfamiliesandcommunities.Theyhavetheresourcesneededtoorga

　　PlayingorganizedsportsissuchacommonexperienceintheUnitedStatesthatmanychildrenandteenagerstookthemforgranted.Thisisespeciallytrueamongchildrenfromwealthyfamiliesandcommunities.Theyhavetheresourcesneededtoorganizeand21sportsprogramstomakesurethatthereiseasy22toparticipationopportunities.Childrenfrom23familiesandcommunitieshoweverarelesslikelytotakeorganizedyouthsportsforgranted.Theyoften24theresourcesneededtopayforparticipationfees25andtransportationtopracticesandgames.26theircommunitiesdonothaveenoughresourcestobuildand27sportsfieldsandfacilities(设施).

　　Organizedyouthsports28appearedduringtheearly20thcenturyintheUnitedStatesandother

　　developednations.Theywereoriginallydeveloped29someeducatorsanddevelopmentalexperts30thatthebehaviorandcharacterofchildrenwere31influencedbytheirsocial32andeverydayexperiences.This33manypeopletobelievethatifyoucouldorganizetheexperiencesofchildrenin34waysyoucouldinfluencethekindsofadultsthatthosechildrenwouldbecome.

　　This35thatthesocialsurroundingsgreatlyinfluencedaperson‘soveralldevelopmentwasvery36topeopleinterestedinprogressandreformintheUnitedStates37thebeginningofthe20thcentury.Itcausedthemtothinkabout38theymightcontroltheexperiencesofchildrentoproduce39andproductiveadults.Theybelievedstronglythatagreatdemocracy(民主国家)dependedonresponsibilityandthata40economydependedontheproductivityofworkers.

　　21.A.distributeB.spreadC.defendD.sponsor

　　22.A.accessB.entranceC.chanceD.route

　　23.A.smallB.poorC.bigD.rich

　　24.A.shrinkB.tightenC.limitD.lack

　　25.A.sightseeingBexaminationC.equipmentD.schooling

　　26.A.InshortB.InallC.InadditionD.Inbrief

　　27.A.preserveB.exchangeC.containD.review

　　28.A.lastB.firstC.laterD.finally

　　29.A.beforeB.unlessC.untilD.when

　　30.A.realizedB.admiredC.expectedD.exhibited

　　31.A.specificallyB.slightlyC.stronglyD.exactly

　　32.A.skillsB.environmentC.positionD.status

　　33.A.advisedB.conductedC.commanded